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Finite temperature dynamics of a Holstein polaron : the thermo-field dynamics approach
Combining the multiple Davydov D2 Ansatz with the method of thermo-field dynamics, we study finite temperature dynamics of a Holstein polaron on a lattice. It has been demonstrated, using the hierarchy equations of motion ...
Direct evaluation of boson dynamics via finite-temperature time-dependent variation with multiple Davydov states
Recent advances in quantum optics allow for exploration of boson dynamics in dissipative many-body systems. However, the traditional descriptions of quantum dissipation using reduced density matrices are unable to capture ...